How did the Black Codes affect Southern society after the Civil War?

I think is the 4th one

Explanation:

The Black Codes, sometimes called Black Laws, were laws governing the conduct of African Americans (free and freed blacks). The best known of them were passed in 1865 and 1866 by Southern states, after the American Civil War, in order to restrict African Americans' freedom, and to compel them to work for low wages.

answer; /// i believe that the correct answer is (b)///they gained vast amounts of

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.